Azure Web App Deployment Slots Merging

Use deployment slots Whenever possible, use deployment slots when deploying a new production build When using a Standard App Service Plan tier

When you deploy your website to Azure App Services, you can benefit from the out of the box support for deployment slots

azure deployment slot setting Deployment slots are a feature of Azure App Service that allow you to create separate environments for testing, staging, or other purposes

azure app service slot Deployment slots are live apps with their own host names App content and configurations elements can be swapped between two deployment slots,